What is Black Radish?
Black radish (Raphanus sativa nigra) is a member of the Cruciferae family, similar to its well known relative the conventional Radishes that are found in the produce market. Black Radish, or sometimes called Black Spanish Radish, is bitter and pungent in flavour and has been traditionally used in Mexican cuisine, Chinese Medicine, Modern herbalism and in Nutritional Balancing programs. Black radish supports liver detoxification enzymes and the release of bile which naturally assists the bodies natural cleansing processes . In addition to the liver and gallbladder, the black radishes colour is indicative of its ability to support the Jing essence and thus kidney health.
What has Black Radish Been Used For?
Black Radish is effective for treating skin disorders such as rashes and dry skin to their abundance of calcium, Vitamin C, Vitamin K, B-complex vitamins, phosphorus and zinc . In addition, Black Radish has significant amount of antioxidants   which can help quench free radicals and prevent the damaging effects on the skin.
Radishes reduce the destruction of red blood cells which occurs in people suffering from jaundice by increasing the supply of fresh oxygen to the blood. In addition to Radishes profound ability to remove bilirubin and keep its production at a stable level. 
Piles, which are also known as hemorrhoids, are an inflammatory condition of the muscular tube connecting the anus and the rectum. When consumed twice daily, a half cup of radish juice will relieve piles. 
Isothiocyanates, which can be found in radishes, have a critical impact on the genetic pathways of cancerous cells and can cause apoptosis (cell death) thereby eliminating cancerous cells from reproducing. 
In 2012 a study revealed that radish has antifungal properties which can help induce cell death in Candida albicans, which can cause oral infections and vaginal yeast infections. 
Studies have shown that black radish supports health blood lipid levels. 
Traditionally, Black Radish has been heavily used for hepatic drainage (liver), and has also been used for hepatic headaches.  According to Dr. Wilson, Russian black radish, a source of sulfur, which is a powerful copper antagonist. By enhancing liver activity, it can increase the rate of copper elimination by the liver . Black radish is also very high in sulfur compounds which are essential for phase 2 liver detoxification.
Reduces allergic rhinitis and asthma, sedates coughs and has been employed to reduce spasmodic conditions like whooping cough. Black radish shows tonic effect on the respiratory system, so it is useful in treatment of bronchitis, cough and asthma .
Due to black radishes rich vitamin C content, it is also very efficient antiscorbutic .
Black radish reduces bilirubin in the body and thus relieves the body of gallstones. In addition, black radish has been shown to support and promote optimal gallbladder health .
Radishes are high in raphanin (good for the thyroid) — Russian research on raphanin and its ability to assist thyroid dysfunction is substantial.
Black Radish helps the kidney rid the blood of irritants that promote allergies and arthritis.
Traditionally used as a choleretic, cholagogue, for benign bronchial problems and topically for sunburns, superficial and limited burns and for diaper rash. Results were limited for alopecia.
People with gallbladder stones or obstructions, and those with severe kidney or hepatic (liver) problems should not use Black Radish without consulting a qualified health care professional.
Part commonly used:
Root, Stalk, Leaf, Juice.
Hepatic, biliary and mild diuretic.
Glucosinolate, Glucoraphanin, Glucoraphasatin, Raphanin, Myrosinase, Antioxidants - Isothiocyanates.
Castro-Torres, Ibrahim Guillermo, et al. J Biomed Biotechnol. 2012
Hanlon, Paul R., et al. J. Agric. Food Chem., 2007